The overriding theory is that it's a bloom of algae brought on by rising water temperatures.

Not all blooms are harmful but some types can make humans and animals sick when breathed-in, swallowed or touched

Southeast Alaska has dropped into drought conditions off and on for the past two or more years. Spring rains and snow melt helped refill lakes and reservoirs but a dry, hot July pushed the southern Panhandle into a deeper deficit.

As the Southwest Florida community works to clean toxic algae from waterways, some are seeing signs that a second round could be headed their direction. “Unfortunately it looks likes like a repeat of what we saw last time,” said Mark Richey of North Fort Myers. Just seven weeks ago, the WINK News Drone showed a …

One of the men was caught on a livestream camera wading into Brooks Falls and taking a selfie in front of the bears.

Alberta Health Services has issued a health advisory for Heritage Lake, near Morinville, until further notice. Blue-green algae blooms have been Alberta Health Services has issued a health advisory for Heritage Lake, near Morinville, until further notice.

Highway 22 in southern Alberta was blanketed in what looked like snow but was probably hail, making roads slick and slow.

Swimmers have reported feeling nausea, itchy skin and irritated eyes after vising the popular lake.

Spruce rust (Chrysomyxa ledicola) fungal spores found along the banks on the Kuskokwim River

MOREAU - The Moreau Lake State Park swimming beach has been closed due to an algal bloom causing potential health hazards, a spokesman for the state Officer Parks, Recreation and Historic Preservation said Wednesday. The beach was closed Tuesday afternoon as a precaution, said Dan Keefe, a spokesman for State Parks in Albany.

Alberta Health Services (AHS) issued two advisories last week regarding blue-green algae blooms in Peanut Lake and Lac La Nonne. Blue-green algae, also known as cyanobacteria, is a naturally-occurring photosynthetic organism that often becomes visible when weather conditions are calm. Appearing as scum, fuzz, grass clippings or globs on the surface of water, blue-green algae

Mexico, Jul 30 (Prensa Latina) The massive arrival of sargasso on the coasts of Quintana Roo, one of Mexico's main tourist centers, is causing concern among tourists, researchers, authorities, businessmen and residents.

A sleepy Lapland fire station is calling in help from all corners to fight the unprecedented wildfires sweeping the region.

Nearly 4,000 dead fish were counted on Sanibel area beaches and parks.

The warning from New Brunswick's chief medical officer of health comes less than a week after three dogs died as a result of what is suspected to be a blue-green algae bloom.

A rare whale-dolphin hybrid species has been discovered off the coast of Hawaii, scientists say. The animal is the first-ever documented offspring of a rough-toothed dolphin and the rare melon-headed whale, a team from the Cascadia Research Collective concluded in a report released this week.

A local firefighter who was killed fighting a fast-moving wildfire was identified Friday as crews continued to battle the blaze in Redding, California.

But an Icelandic whale-watching crew spotted the right whale named Mogul three times this week, leaving a research scientist wondering why the animal ventured so far.

Hundreds of sea turtles have washed up dead along the southwest Florida coast as an ongoing red tide event persists in the waters. The Florida Fish and Wildlife Conservation Commission has logged 287 sea turtle deaths since the virulent algal bloom started in October, the Associated Press reported.

Vegetable prices are rising rapidly in Japan after a deadly heatwave saw highs of more than 40C. Record-breaking temperatures triggered a spike in the cost of some foods with increases of up to 65 per cent.  An agriculture ministry official in Tokyo warned about "pretty severe price moves" for vegetables if predictions of more weeks of hot weather held up, resulting in less rain than usual.